Photo 1 of Mini CO2 Detector, Air Quality Monitor, Stylish and Lightweight CO2 Monitor for Travel Home Indoor,You Can Use Anywhere

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Photo 1 of Mini CO2 Detector, Air Quality Monitor, Stylish and Lightweight CO2 Monitor for Travel Home Indoor,You Can Use AnywherePhoto 2 of Mini CO2 Detector, Air Quality Monitor, Stylish and Lightweight CO2 Monitor for Travel Home Indoor,You Can Use Anywhere